1. Amoroso E C. (1955a) In: Gestation. Trans. First Conf. Ed. Flexner L B. Josiah Macy Jr Foundation, New York; p 119.
2. ENDOCRINOLOGY OF PREGNANCY
3. Amoroso E C. (1959) In: Gestation. Trans. Fifth Conf. Ed. Villee C A. Josiah Macy Jr Foundation, New York; p 15.
4. HISTOLOGY OF THE PLACENTA